<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="top" style="font: inherit;"><div>At this point I&#39;m bowing out of the discussion, Ron. Why it is that you refuse to believe that both phenomena may be at play in the excitement of a soundboard so that it emits an audible tone ( and so both phenomena contribute to it) I do not know. But please feel free to respond to this last post of mine on the subject, free of any written response from this end.<br /><br />Thumpe</div></td></tr></table>            <div id="_origMsg_">
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                                <span style="font-weight:bold;">From:</span>
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                            Ron Nossaman &lt;rnossaman@cox.net&gt;;                            <br>
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                                <span style="font-weight:bold:">To:</span>
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                             &lt;pianotech@ptg.org&gt;;                                                                                                     <br>
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                                <span style="font-weight:bold:">Subject:</span>
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                            Re: [pianotech] Totally glueless                            <br>
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                                <span style="font-weight:bold;">Sent:</span>
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                            Fri, Feb 1, 2013 1:33:05 PM                            <br>
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                                        <td valign="top" style="font:inherit;">On 2/1/2013 6:35 AM, Euphonious Thumpe wrote:<BR>&gt; Okey Dokey, then. Here's another, perhaps more appropriate example: get<BR>&gt; a friend to walk to the end of a long steel or iron bridge and put his<BR>&gt; ear against it. You whack the other end with a hammer* and he hears it<BR>&gt; through the steel, even if inaudible at that distance through air.<BR><BR>Yep, that's a good one. You get something similar whacking a guy wire, or piano string under tension. It's a traveling wave.<BR><BR>The Newtons Cradle is a kinetic energy transfer, having nothing to do with the subject either.<BR><BR>Ron N<BR></td>
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